I wonder why we haven't heard about it before if it's an annual tradition.
Also, if I were the coaches, I would have turned it into a scheduled "skip day" like some high schools do. The players would get to choose what day, and that way the coaches can know when not to schedule recruits.
But that high school coach is right. I hope they enjoy getting run out of stadiums that same way when they're losing 5-6 games each year in that tank-tough Pac 10 conference.